You did it! Sure, it might be four weeks overdue and late on a Friday, but you’ve finally finished deploying a long-awaited update to the web app. However, your celebrations are cut short as your phone vibrates off the table. Picking it up, you’re confronted with a developer’s worst nightmare. You’re getting flooded with messages that the login is no longer working. Was it your deployment? This is bad. Nobody can use the site if they can’t log in.

We’re excited to announce an important extension to our API. After rigorous research, testing, and feedback, we’ve launched the Error Groups endpoints. This powerful new addition aims to enhance your monitoring experience and better handle errors across your applications. Our primary aim with the introduction of these endpoints is to offer you a more detailed view into your applications’ error groups, and to offer a way to update their statuses using the API.

Dr. Panos Patros, CPEng This is the second and final part in our exploration of must-know OOP patterns, and covers the composite bridge pattern, iterator pattern, and lock design pattern. Find part one here covering extension, singleton, exception shielding and object pool patterns. Object-oriented design is a fundamental part of modern software engineering that all developers need to understand.

The popular chromium based browser ecosystem has recently changed how performance metrics can be collected in relation to performance.timing. Before we get into the details, the TLDR is: if you use the Raygun CDN for raygun4js, you’re up to date. If you self-host raygun4js and use Raygun Real User Monitoring, you’ll want to upgrade to version 2.27.0.

Many of us have heard single-page applications (SPAs) hailed as the future of web applications. Proponents of SPAs point to increased code reusability and development velocity, and the advantage SPAs can give when it comes to delivering a fast and seamless user experience. Massive sites like Facebook, AirBnB and Trello are all built as SPAs. On the flipside, monitoring SPAs for performance is pretty challenging.